Nokia C21 Plus user guide

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Nokia C21 Plus

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Change your SIM PIN

If your SIM card came with a pre-set PIN code, you can change it to something more secure. Not all network service providers support this.

Select your SIM PIN code

You can choose which digits to use for the SIM PIN. The SIM PIN can be 4-8 digits.

  1. Tap Settings > Security > Advanced > SIM card lock.
  2. Under the selected SIM card, tap Change SIM PIN.
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  • Keep your phone up to date
  • Keys and parts
  • Insert the SIM and memory cards
  • Charge your phone
  • Switch on and set up your phone
  • Use the touch screen
  • Dual SIM settings
  • Lock or unlock your phone
Protect your phone
  • Protect your phone with a screen lock
  • Protect your phone with your fingerprint
  • Protect your phone with your face
  • Change your SIM PIN
  • Access codes

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